#include<stdio.h>
int main(int argc,char **argv){
	
	if(argc==3){
		char* srcfile=argv[1];
		char* dstfile=argv[2];
		FILE *fp1=fopen (srcfile,"r");
		if(fp1==0){
			printf("file not exist");
			return -1;
		}
		FILE *fp2=fopen(dstfile,"w");
		if(fp2==0){
			printf("file not exist");
			return -1;
		}
		while(1){
			char temp=fgetc(fp1);
			if(feof(fp1)){
				break;
			}
			fputc(temp,fp2);
		} 
	}
	fclose(fp1);
	fclose(fp2);
}
